One of the oldest forms of encryption is the Caesar cipher, where each letter is shifted using a secret key. This time, someone has modified the Caesar cipher by using XOR instead of addition.
Can you decrypt the flag?
Remember to insert the result in the flag format. (ddc{example_flag} -> DDC{example_flag})
Download sha256: 86072f11881e2c9ffe4fc81bdecc051c7d08459eae1f5a900a9f36cf4bc4c911
Brute force key with backwards engineered python code.
Flag: ddc{galois_meets_caesar}